<template>
  <div>
    <template v-for="item in this.menuList">
      <el-submenu :disabled="item.disabled" :index="item.id+''" v-if="item.children.length>0" :key="item.id+''">
        <template slot="title" style="padding-left:30px">
          <i :class="item.icon"></i>
          <span slot="title">{{ item.menuName}}</span>
        </template>
        <MenuTree :menuList="item.children"></MenuTree>
      </el-submenu>
      <el-menu-item
        v-else
        :disabled="item.disabled"
        :index="item.url+''"
        :route="item.url"
        @click="savePath(item.url)"
        :key="item.id+''"
        style="padding-left: 50px;"
      >
        <i :class="item.icon"></i>
        <span>{{item.menuName}}</span>
      </el-menu-item>
    </template>
  </div>

</template>

<script>
  export default {
    name: "MenuTree", //模板名称
    data() {
      return {
      };
    },
    /*3.在MenuTree中接收传递过来的参数*/
    props: ["menuList"],
    methods:{
      //保存激活路径
      savePath(path) {
        window.sessionStorage.setItem("activePath", path);
        this.activePath = path;
      },
    }
  }
</script>

<style scoped>
  .el-menu--collapse span,
  .el-menu--collapse i.el-submenu__icon-arrow {
    height: 0;
    width: 0;
    overflow: hidden;
    visibility: hidden;
    display: inline-block;
  }
</style>
